How did u-boats affect american neutrality?

The German U-boats blocked British Isle and attacked merchant ships affecting the trading business of US with British, but at some stage the U-boats started to attack ships taking the lives of unarmed passengers, as with the Lusitania ship, which 120 American died. The Germans were asked to stop the attacks but they did not and many US ships sank, shedding off US citizens lives. The submarine warfare enraged the US neutrality which then turned against the German and declared war on March 1 in 1917.

realmente cosas malas! ¡la explicación está abajo, para más recursos siga el enlace!

  en la francia revolucionaria, la asamblea legislativa vota para abolir la monarquía y establecer la primera república. la medida se produjo un año después de que el rey luis xvi aprobara a regañadientes una nueva constitución que lo despojó de gran parte de su poder.

aquí está el enlace: https: //

espero que esto te ayude, pero solo para hacerte saber, el sitio web no está en español. si quieres que lo traduzca solo tienes que preguntar.

you didn't give any answers to choose from so i can't with this but, i do know something that the mexican government would be worried about and that is the wall that donald trump is currently trying to get up.